PDGF家族新成员:PDGF-C和PDGF-D

被引:6
作者
林春霞
机构
[1] 中国医学科学院中国协和医科大学阜外心血管病医院中-德分子医学实验室北京
关键词
PDGF-D; 新成员; 同源二聚体; 异源二聚体; 受体结合; 结构域; 家族;
D O I
10.16563/j.cnki.1671-6272.2003.02.011
中图分类号
R541 [心脏疾病];
学科分类号
1002 ; 100201 ;
摘要
血小板源性生长因子(PDGF)是成纤维细胞,平滑肌细胞以及其它间充质来源细胞的强有丝分裂原和化学驱动剂。同VEGF家族成员类似,PDGF家族每一成员都含有一个高度保守的PDGF/VEGF同源结构域。生物活性PDGF分子一般由二硫键连接的同源二聚体或异源二聚体组成,受体是酪氦酸激酶受体PDGFR-α,βPDGF及其受体在胚胎发育过程中扮演着非常重要的角色,尤其是肾脏、血管、肺和中枢神经系统。PDGF家族成员目前至少有4个,即PDC-A,B.C.D. 其中PDGF-A.B的研究历史已有二十余年.而PDGF-C.D是近年来刚发现的两个新成员 本综述主要是探讨PDGF-C.D两配体的结构和功能特性,并与两个传统的PDGF分子PDGF-A和PDGF-B加以比较。
引用
收藏
页码:49 / 55
页数:7
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